OpenAction.java

/*
 * Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or (at your option)
 * any later version.
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 */

package org.esa.snap.scripting.visat.actions;

import org.esa.snap.scripting.visat.ScriptConsoleTopComponent;
import org.esa.snap.tango.TangoIcons;

import javax.script.ScriptEngineFactory;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.awt.event.ActionEvent;
import java.util.List;

public class OpenAction extends ScriptConsoleAction {
    public static final String ID = "scriptConsole.open";

    public OpenAction(ScriptConsoleTopComponent scriptConsoleTC) {
        super(scriptConsoleTC, "Open...", ID, TangoIcons.actions_document_open(TangoIcons.Res.R16));
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        JFileChooser fs = OpenAction.createFileChooser(getScriptManager().getEngineFactories());
        int i = fs.showOpenDialog(getScriptConsoleTopComponent());
        if (i == JFileChooser.APPROVE_OPTION) {
            getScriptConsoleTopComponent().openScript(fs.getSelectedFile());
        }
    }

    public static JFileChooser createFileChooser(ScriptEngineFactory[] scriptEngineFactories) {
        JFileChooser fs = new JFileChooser();
        fs.setAcceptAllFileFilterUsed(false);
        for (ScriptEngineFactory scriptEngineFactory : scriptEngineFactories) {
            FileNameExtensionFilter filter = createFileFilter(scriptEngineFactory);
            fs.addChoosableFileFilter(filter);
        }
        return fs;
    }

    public static JFileChooser createFileChooser(ScriptEngineFactory scriptEngineFactory) {
        JFileChooser fs = new JFileChooser();
        fs.setAcceptAllFileFilterUsed(false);
        FileNameExtensionFilter filter = createFileFilter(scriptEngineFactory);
        fs.addChoosableFileFilter(filter);
        return fs;
    }

    public static FileNameExtensionFilter createFileFilter(ScriptEngineFactory scriptEngineFactory) {
        List<String> extensionList = scriptEngineFactory.getExtensions();
        String[] extensions = extensionList.toArray(new String[extensionList.size()]);
        String description = String.format("%s files", scriptEngineFactory.getLanguageName());
        return new FileNameExtensionFilter(description, extensions);
    }
}